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(11)

EP 1 861 915 A2

(12)

(88) Date of publication A3: 26.04.2007 (43) Date of publication: 05.12.2007 Bulletin 2007/49 (21) Application number: 06730348.7 (22) Date of filing: 22.03.2006

(51) International Patent Classification (IPC):  H02M 7/48(2007.01) (86) International application number: PCT/JP2006/306400 (87) International publication number: WO 2006/101258 (28.09.2006 Gazette 2006/39)

(84) Designated Contracting States: DE FR GB (30) Priority: 24.03.2005 JP 2005086223 (71) Applicant: Toyota Jidosha Kabushiki Kaisha Toyota-shi, Aichi-ken, 471-8571 (JP)	(72) Inventors: IMAI, Makoto , Toyota-shi, Aichi, 4718571 (JP) MATSUI, Masaharu ichi, 4710826 (JP) (74) Representative: TBK-Patent  Bavariaring 4-6 80336 München 80336 München (DE)